﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<blockthreesectionseven>
  <Question1>1. (A2) What is the purpose of the Keyed +20 voltage?</Question1>
  <Choice1A>It turns on the modulation.</Choice1A>
  <Choice1B>It regulates the RF power level.</Choice1B>
  <Choice1C>It is used to turn on the microphone.</Choice1C>
  <Choice1D>It will cause the exciter to produce RF.</Choice1D>
  <Correct1>None</Correct1>
  <Reference1>Student Workbook Page 12, Section 3</Reference1>
  
  <Question2>2. (A2) Which is the correct order of events that take place when the A2 module receives an input keying signal?</Question2>
  <Choice2A>The T/R relay is energized and the Keyed +20V is produced at the same time.</Choice2A>
  <Choice2B>Both the T/R relay and the Keyed +20V are delayed by 25 msec.</Choice2B>
  <Choice2C>The Keyed +20V is produced, then the T/R relay is energized.</Choice2C>
  <Choice2D>The T/R relay is energized, then the Keyed +20V is produced.</Choice2D>
  <Correct2>None</Correct2>
  <Reference2>Student Workbook Page 12, Section 3</Reference2>
  
  <Question3>3. (A2) When is the T/R relay energized?</Question3>
  <Choice3A>When receiving</Choice3A>
  <Choice3B>When transmitting</Choice3B>
  <Choice3C>25 msec after the transmitter is keyed</Choice3C>
  <Choice3D>Only when the transmitter is used without a receiver</Choice3D>
  <Correct3>None</Correct3>
  <Reference3>Student Workbook Page 32, Section 3</Reference3>
  
  <Question4>4. (A2) Which statement is correct concerning the Keyer inhibit signal?</Question4>
  <Choice4A>The Keyer inhibit signal affects both the keying voltage and the T/R relay.</Choice4A>
  <Choice4B>Phase Comparator</Choice4B>
  <Choice4C>The T/R relay will remain energized during a Keyer inhibit condition.</Choice4C>
  <Choice4D>It unkeys the exciter during over-current lock out.</Choice4D>
  <Correct4>None</Correct4>
  <Reference4>Student Workbook Page 12, Section 3</Reference4>
  
  <Question5>5. List the five methods of keying the exciter.</Question5>
  <Answer5>None</Answer5>
  <Reference5>Student Workbook Page 12, Section 3</Reference5>
  
  <Question6>6. (Keying) Which module allows for remote voltage keying?</Question6>
  <Choice6A>A1</Choice6A>
  <Choice6B>A3</Choice6B>
  <Choice6C>A6</Choice6C>
  <Choice6D>A7</Choice6D>
  <Correct6>None</Correct6>
  <Reference6>Student Workbook Page 12, Section 3</Reference6>
  
  <Question7>7. (Keying) Which switch determines local or remote operation?</Question7>
  <Choice7A>S1</Choice7A>
  <Choice7B>S2</Choice7B>
  <Choice7C>S3</Choice7C>
  <Choice7D>S4</Choice7D>
  <Correct7>None</Correct7>
  <Reference7>Student Workbook Page 12, Section 3</Reference7>
  
  <Question8>8. (A6) What is APC voltage?</Question8>
  <Choice8A>A DC voltage used to Control the output of the A5</Choice8A>
  <Choice8B>A DC voltage used to bias transistors in the A10</Choice8B>
  <Choice8C>A positive DC voltage used to key the exciter</Choice8C>
  <Choice8D>An AC voltage used to modulate the carrier</Choice8D>
  <Correct8>None</Correct8>
  <Reference8>Student Workbook Page 12, Section 3</Reference8>
  
  <Question9>9. (A6) What happens to the gain of the A10 Driver and the RF output power if the APC voltage is increased?</Question9>
  <Choice9A>Increase, increase</Choice9A>
  <Choice9B>Increase, decrease</Choice9B>
  <Choice9C>Decrease, increase</Choice9C>
  <Choice9D>Decrease, decrease</Choice9D>
  <Correct9>None</Correct9>
  <Reference9>Student Workbook Page 12, Section 3</Reference9>
  
  <Question10>10. (A6) What Control is used to adjust the AC portion of the APC/MOD signal?</Question10>
  <Choice10A>R8 chassis</Choice10A>
  <Choice10B>R1 chassis</Choice10B>
  <Choice10C>A6R19</Choice10C>
  <Choice10D>A6R8</Choice10D>
  <Correct10>None</Correct10>
  <Reference10>Student Workbook Page 12, Section 3</Reference10>
  
  <Question11>11. (A6) How much audio is required to produce the APC voltage?</Question11>
  <Choice11A>0 dB</Choice11A>
  <Choice11B>2.2 VPP</Choice11B>
  <Choice11C>1.2 VPP</Choice11C>
  <Choice11D>None</Choice11D>
  <Correct11>None</Correct11>
  <Reference11>Student Workbook Page 12, Section 3</Reference11>
  
  <Question12>12. (A6) Which Controls are used to adjust the DC portion of the APC/MOD voltage?</Question12>
  <Choice12A>A6R1</Choice12A>
  <Choice12B>A6R19</Choice12B>
  <Choice12C>R8 chassis</Choice12C>
  <Choice12D>Both b and c</Choice12D>
  <Correct12>None</Correct12>
  <Reference12>Student Workbook Page 12, Section 3</Reference12>
  
  <Question13>13. Where are R1, MOD level adjust, and R8, Carrier level adjust located on the exciter?</Question13>
  <Choice13A>On the A6 circuit card</Choice13A>
  <Choice13B>Behind the A5 circuit card</Choice13B>
  <Choice13C>Behind the front panel door</Choice13C>
  <Choice13D>On the rear panel of the exciter</Choice13D>
  <Correct13>None</Correct13>
  <Reference13>Student Workbook Page 12, Section 3</Reference13>
  
  <Question14>LOST NEED TO LOOK UP</Question14>
  <Answer14>None</Answer14>
  <Reference14>Student Workbook Page 12, Section 3</Reference14>
  
  <Question15>15. Which Control is adjusted for a reading of 10 watts on an external wattmeter?</Question15>
  <Choice15A>A6R5</Choice15A>
  <Choice15B>A6R8</Choice15B>
  <Choice15C>A6R39</Choice15C>
  <Choice15D>R8 chassis</Choice15D>
  <Correct15>None</Correct15>
  <Reference15>Student Workbook Page 152, Section 3</Reference15>
  
  <Question16>16. If the exciter forward power increases, what will happen to the APC voltage to correct it?</Question16>
  <Answer16>None</Answer16>
  <Reference16>Student Workbook Page 152, Section 3</Reference16>

  <Question17>17. What resistor is used to calibrate the front panel meter with the exciter unkeyed?</Question17>
  <Choice17A>A6R8</Choice17A>
  <Choice17B>A6R39</Choice17B>
  <Choice17C>A6R19</Choice17C>
  <Choice17D>R1 chassis</Choice17D>
  <Correct17>None</Correct17>
  <Reference17>Student Workbook Page 172, Section 3</Reference17>

  <Question18>18. (A7) List the three Controlling inputs to the coaxial relay control circuit.</Question18>
  <Answer18>None</Answer18>
  <Reference18>Student Workbook Page 12, Section 3</Reference18>

  <Question19>19. (A7) List the two conditions that cause the E/L relay to energize.</Question19>
  <Answer19>None</Answer19>
  <Reference19>Student Workbook Page 12, Section 3</Reference19>

  <Question20>20. (A7) What voltage is used to energize the E/L relay?</Question20>
  <Choice20A>REG. +20</Choice20A>
  <Choice20B>Keyed +20</Choice20B>
  <Choice20C>UNREG. +28</Choice20C>
  <Choice20D>Keyer Inhibit</Choice20D>
  <Correct20>None</Correct20>
  <Reference20>Student Workbook Page 202, Section 3</Reference20>

  <Question21>21. (A7) What is the purpose of the 200 msec Keyer Inhibit?</Question21>
  <Answer21>None</Answer21>
  <Reference21>Student Workbook Page 12, Section 3</Reference21>

  <Question22>22. What should the % MOD position read for a percent of modulation of 90%?</Question22>
  <Answer22>None</Answer22>
  <Reference22>Student Workbook Page 12, Section 3</Reference22>
  
</blockthreesectionseven>